<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">

    <script type="text/javascript" src="js/jquery.min.js"></script>
    <title>Title</title>

</head>
<body>
<form action="/login" method="post">
    <input type="text" name="phone_number">
    <input type="text" name="password">
    <input type="text" name="vrifyCode">
    <img style="width:80px;height:30px;display:block;" src="/code/kaptcha" id="yzm">
    <input type="checkbox" name="remember-me" checked="true">
    <input type="submit" value="login"/>

    <script>

        $("#yzm").click(function(){
            $("#yzm").attr("src","/code/kaptcha?date="+Math.random());
        });
    </script>

</form>
</body>
</html>